Greetings from Chimera Technologies Pvt Ltd, Bangalore We are URGENTLY looking for candidates for the position of a Senior Software Engineer with around 4-6 years of relevant experience with the following skill set : 1)Candidate should be proficient in C#, XM, XSL and Webservices 2) Should...more >>

hi all I have a small application assembled from C# winForm client side (few of them) C# webService at the server side I'm using xml file to transfer the GUI information from client to server For Example in the client window there are 3 text box's and one button Text boxes are "first num" ...more >>

Hi im new to csharp I want to check the value of the field is null or not this is my code if ( dr["timeout"] =???? which is the function orthe method through which i can do this please help ...more >>

There are a set of clients who need to be notified of certain events. I have used events and delegates (publisher-Subscriber model) for the notification mechanism. All the clients register with the event publisher and subscribe for the events that they are interested in. When a certain eve...more >>

Hi, How to achieve effect of LayoutManagers like java has Grid, Flow, Border etc layouts in .Net? The case is: I am creating the form runtime and adding controls on run-time so at that time its very hactic to manipulate about other control's sizes, positions etc so there must be easy way to do ...more >>

I wrote a simple COM DLL in C++. And call the methods of this DLL from an C# project. But I don't know how to debug into this DLL. Can you help me, pls? Thnx in advance. ...more >>

Hi, I would like to disable sorting in a winform datagrid when a column header is clicked. The following does *not* seem to disable sorting and clicking the column header still sorts the grid: After loading data into the dataset: { .... this.dataGrid1.DataSource = this.ds1.tableA...more >>

Hi, I have a code in C which i am rewritting it in C#. I am facing problem with the following two lines : char *cipher; (DWORD*)cipher(C) and (uint*)cipher(C#) are giving different values though both DWORD(which is unsigned long) and uint occupy 4 bytes Why is it happening ? Any in...more >>

when me close the application, the messagebox is coming out as below: "An unhandled exception of type 'System.ExecutionEngineException' occurred in axinterop.teechart.dll" anyone can save me ? ...more >>

Hi, I'm trying change the layout of a combobox when f.e. a certain property is set to true. My problem is the following: when I execute the code, the combobox is repainted but there always stays an area unpainted. After soms research I discovered that a combobox also contains a textbox. W...more >>

Hello, I have a pretty nice box in production (2 dual core Opterons) and it is running the 32-bit version of Windows Server 2003 and 32-bit version of SQL Server 2000. The application that's running on it is very performance sensitive and runs 24x7x365. However, after a bit of profiling...more >>

Hi, In my C# Windows Form project, I want to use the Microsoft Excel as report tool. However, not all my PC clients have the same version of Microsoft Excel, some has Excel 2000, while the others has Excel 2003 and Excel XP. When I surfed the internet, I found some samples for passing value...more >>

One advantage of ActiveX is that something that is developed for (and tested with) a desktop app can be used on the web. Can .NET do this? Is there a way to develop a user interface first for a Windows app and then use that UI on the Web? It seems to me that the classes used to develop a Form...more >>

I currently have a windows service written using VS2003/.NET 1.1 and = this accesses reports from an SQL2000RS server and distributes them via = email. My customer wants to use SQL2005RS in order to facilitate end-user = report creation; is it possible to access SQL2005RS from .NET 1.1 as I = ...more >>

Hi, I'm developing a simple DataAccess class using VB.NET and C# 2005 and currently query a SQL Database with the class which returns an ArrayList object. Only about 50 rows or so. This works fine. From my main form, I simply loop thru the arraylist and populate a datagridview control and...more >>

Hello there :) I have a problem with Web User Controls but I may be doing an incorrect C# code. Basically I have a Web User Control. ascx file that has a 1 ImageButton on it. On my main page I successfully load this imageButton 3 times. Ok when the I click on the ImageButton it performs t...more >>

Has anyone gotten the System.Net.Mail.SmtpClient to work with gmail? In ..NET 1.1 I have it work with the Mentalis org thing but that has problems in ..NET 2.0. Regards, John ...more >>

Hi everyone! One quick question, with hope that the answers will be the same :). What to use if I want to ship two versions of my application, one using SQLite, small embedded database for single-computer instalations, and one using PostgreSQL for multi-computer instalations. Of course, ...more >>

how to make a single method thread safe? example: class A { void func() {} } thread1: A a1 = new A(); a.func(); thread2: A a2 = new A(); a.func(); Ivan...more >>

What is the difference in copy local = true/false in VS.NET when referencing a DLL? I've noticed that changes to the DLL (recompiling) aren't reflected in my project either way. I have to remove then add the DLL to see any changes. Thanks, Brett ...more >>

I am reworking a class that generates source code. I want to add a "preview" function, much like the refactor dialog in vs2005. To facilitate this, I have changed what used to be my "writeToFile" method to "generate" - the plan is, I will generate the text in memory, then I can either show i...more >>

I have a connection through WebClient running via a thread. Then I call a .OpenRead(). I would like the main thread to be able to cancel this connection. How do I go about it. ...more >>

Hi, String.IndexOf is case sensitive so I need to covert to lower before testing the string contains a given string. In VB this is: Instr(Lcase(StringToTest, "StringToCheckFor")) What is the C# equivilent? The closest I've comeup with is: string lowerString = testString.ToLower(); low...more >>

Hi, Is there an easy way to say, on textboxHover, if the text inside the box isn't completely visible, have a popup tool come up showing the complete contents of the box? I'm guessing I need to know if there's a way to determine the number of pixels that some generic text takes up. Also, is ...more >>

Hello All, I'm dynamically loading a form through reflection. I have this working. What I'd like to do is implement an interface so that I can cast my instance to that interface. I want to be able to call methods and pass parameters normally in the dynamically loaded Form. Yesterday...more >>

Hi to all, Im searching a hand to solve an Exception that i get when i try to give the user to a gmail account... Any help would be appreciated.. Thanks in advance This is a piece of my code: Server=new TcpClient("pop.gmail.com",995); //stablish a connection Networkstre...more >>

I am designing a new class hierarchy and I've already run into a bit of a bump in the road. I have this structure so far; class CodeGen class CodeGenHeader : CodeGen class CodeGenProtocolHeader : CodeGenHeader CodeGen is not an entirely abstract class, there are properties li...more >>

I have both a DataGrid and collection of data editing controls within a form connected to the same table within the same DataSet with a CurrencyManager. But they don't remain in sync with one another. I expected that when I moved the row pointer within the grid that the controls would poin...more >>

Hi all We are an organisation that use C# currently and we have some members who are not yet trained in .Net or C#, some staff have requested they use VB instead (probably due to their background). Given that we are already using C# I think adding VB into the mix is a bad idea - not with...more >>

I would like one DoubleClick event handler to handle all double clicks throughout a DataGrid. I've assigned a DoubleClick event handler to the DataGrid and it works nifty-spiffy so long as I click outside the data. The trouble is, the underlying cells or columns or whatever would like to ...more >>

Hi, I have the beginning of an Interface class that has this in it. namespace Samples.Money { /// <summary>The common interface for simple Monies and MoneyBags.</summary> interface IMoney { /// <summary>Adds a money to this money.</summary> IMoney Add(IMoney m); <- Here ...more >>

Hi all, I have problem when merging existing DataTable into new dataset. DataSet ds = new DataSet(); while ( done ) { // fill myCustomDataSet.MyTable with data ds.Merge( myCustomDataSet.MyTable, bPreserveChanges, MissingSchemaAction.Add ); ds.AcceptChanges(); // tried with an...more >>

Hi, I need to be able to find out if the assembly is currently used by an asp.net app or a windows app. Assembly contains a class which has an object factory, but this object factory should throw an exception if used in asp.net app. //------------- public class CLogin { public static ...more >>

Does anyone know of any C# Open Source Projects that I can get involved = in? I am a beginner in the C# world but I would like some experience = with this language though. If anybody happens to know of any projects = please let me know. --=20 (\(\ (=3D':') (,(")(") Eric Anderson...more >>

Hello, I am trying to use an executable which when an option is clicked, it goes out and rebuilds a .sln file. I read about devenv and /rebuild, but I am still confused. Would I run something from a command prompt using a process? Any help would be appreciated, if you could give an exam...more >>

Hi NG, I am working on a project in VS2005 that has to comunicate with an older application, using MailSlots. As far as I know, I have to use pInvoke to achieve this. It would be greate, to have a little sample on how to do this, please not only the C# signature like: [DllImport("kernel3...more >>

Kind of an open question on best-practice for smart-client design. I'd really appreciate anyones views (preferably with reasoning, but I'll take what I get...). Or if anybody has any useful links on the subject? (and yes, I have already googled it at length, but still no strong decision) ==...more >>

Hi I need to read data from flat files in memory and execute SQL query on the in-memory data. I do not have an option of using a database and I am using c# .Net to build my application. Does anyone know whether it is possible to make SQL query on datasets or on XML data for that matter. Or is...more >>

Hi I need to read data from flat files in memory and execute SQL query on the in-memory data. I do not have an option of using a database and I am using c# .Net to build my application. Does anyone know whether it is possible to make SQL query on datasets or on XML data for that matter. Or is...more >>

Hi! I am have a COM object which occupies more and more memory everytime it's used. The "VM size" counter (private bytes) of the process that uses the COM object keeps on growing when instantiating and using the object frequently. I tried following strategies for using the object: 1. ...more >>

Hi, I'm using a modified Tree control that contains a Tag property of Object. I iterate through two different tables to build the Tree w/ root nodes being Groups and child nodes being GroupMembers. As i iterate, i'm adding to the Tag property either the instance of that specific Group or ...more >>

Hello Elite minds, I have worked on embedding winforms control in IE, and I have seen it works superb. I wish to do same thing for Pocket internet explorer in pocket pc and on any other WIN CE platform 4.2 binary image. I really have no clue how to go about. I still use CE 4.2 and win 2003 mob...more >>

Hi All, Is it possible to play a wave a wav file from my application and send the output to another application (like a voice chat application) instead of the speakers? I hope you can guide me or give me hints on how to do this. thanks in advance. ...more >>

Here I am using Windows service as failover for the regular C# web application which will read failed uploads( to database from the MessageQueue) and re-uploads to the database. I am using MessageQueue.GetMessageEnumerator method in PeekCompleted Event. Is this thread safe?? Any suggestions?? ...more >>

Is it good pratice to make base class properties virtual? For example: public abstract class Person { protected string name; public virtual string Name { //get, set stuff here } } public class Student : Person { } In the above example the p...more >>

I code in Rexx on the mainframe which has 2 built-in functions: word(s,i) & words(s). word(s,i) returns the ith word in the s(tring), and words(s) returns the number of words within the s(tring). Is there something equivalent in C#, preferably built-in (assumed better performance), or samp...more >>

I have a method that I use for Javascript validation (see below). What I want to do is change the alert title, buttons, icon etc. Does anybody know the correct syntax to do this? private void Gen_Alert(string Key, string msg) { string str = ""; str += "<script language='javascript'...more >>

Hi, I'm pretty new with XML, and I need to edit a XmlDocument in C#.... now here is an example on what I need. I have this XMLDocument: <?xml version="1.0"?> <root> <name>John Doe</name> <conf class="7" uniqueid="1" password="0" /> <userlist> <users id="1" userid...more >>

Iam using streamwriter class of .net to write in a file. The location of file is a network drive. Now if for some reason the network is not there and I execute sw.close I get a exception ( that's ok). But later when network comes and I try to delete this file, it says tha...more >>

hi, i am new in c# programming and i am trying to host two applications in the same c# form. my two applications are "VLC"(video lan) and notepad. can someone help to do that? thanks. ...more >>

Hi, I am porting some code from C++ to C# I would like to know what i can use in C# to replace the clock() function that is being used in the C++ app, Thanks In Advance Macca...more >>

Hello, I'm developing an application using C# as main language, InfoPath as Input for a XML file and a Web Service in c# to deal with the XML file generated by InfoPath and then convert it into another different and customized XML file which I will used from a web application in C# The proble...more >>

Hi group! I want to make a program with options similar to those in Microsoft Publisher - i.e. the ability to create different types of rectangle objects in which pictures/text/whatever may be embedded. In my first attempt an element inherits from UserControl. But this gives me the followin...more >>

when we minimize a form and after that when we restore it ( by clicking on windows bar or by right click restore) where does the form's size and location information is saved? I need to use it to save it to registry. I know other ways to achive the same result but I want to know how windows rest...more >>